On-line freeze-drying system based on multiple freeze-drying machines and freeze-drying preparation production line

The utility model discloses an on-line freeze-drying system based on multiple freeze-drying machines and a freeze-drying preparation production line. The on-line freeze-drying system based on multiple freeze-drying machines comprises a plurality of freeze-drying machines, wherein bottle inlets and bottle outlets of the freeze-drying machines are formed in one same side and are arranged in different layers up and down; bottle feeding push rods are arranged in match at the bottle inlets; bottle discharge push rods are arranged in match at the bottle outlets; the bottle inlets are connected with one same bottle feeding conveyer belt through a bottle feeding bridge plate mechanism; the bottle outlets are connected with one same bottle discharge conveyer belt through a bottle discharge bridge plate mechanism. The freeze-drying preparation production line comprises a filling covering system and a cover rolling system, wherein the above on-line freeze-drying system based on the multiple freeze-drying machines is arranged between the filling covering system and the cover rolling system. The on-line freeze-drying system based on the multiple freeze-drying machines, and the freeze-drying preparation production line have the advantages of simple structure and high production efficiency.